/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Solvers/LaplacianMatrixAssembly.h
Use intrinsic Delaunay mesh to construct sparse Cotangent Laplacian matrix. This variant combines the N interior and M boundary vertices into a single (N+M) matrix and does not do any special treatment of boundaries, they just get standard Cotan weights.
namespace UE { namespace MeshDeformation { template<typename RealType> void UE::MeshDeformation::ConstructFullIDTCotangentLaplacian ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, const [FVertexLinearization](API\Plugins\DynamicMesh\Solvers\FVertexLinearization) & VertexMap, [UE::Solvers::TSparseMatrixAssembler](API\Runtime\GeometryCore\Solvers\TSparseMatrixAssembler)< RealType > & LaplacianMatrix, [ECotangentWeightMode](API\Plugins\DynamicMesh\Solvers\UE__MeshDeformation__ECotangentW-) WeightMode, [ECotangentAreaMode](API\Plugins\DynamicMesh\Solvers\UE__MeshDeformation__ECotangentA-) AreaMode ) } }